20. Pokémon FireRed and LeafGreen (GBA)

Pokémon FireRed and LeafGreen were Game Boy Advance remakes of the classic games that started it all, Pokémon Red & Blue. Yes, the Game Boy originals were known as Red and Green in Japan, because reasons.

Did Pokémon really ever get better than this? That's up for debate, but vastly updated visuals, the ability to connect to various other Pokémon games to collect over 350 of the critters, and an enhanced user interface were just some of the upgrades offered in this 32-bit revamp. For players intimately familiar with the Kanto games, this was the first opportunity (of many to come, of course) to indulge in some nostalgia and catch the original 151 all over again. Who could possibly resist?

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Watch out, Metapod. Or should we call you... Metapoo? Ah, the comedy! Happy days.

19. Harvest Moon: Friends of Mineral Town (GBA)

Harvest Moon: Friends of Mineral Town might be available on Switch (carrying the Story of Seasons branding in the West nowadays), but the GBA version is still a good pick-up for cultivating types who enjoy that core Harvest Moon portable gameplay with 16-bit style visuals. Additional fun and secrets outside land-working are present, but the game isn't overwhelmed with the twists or gimmicks we've seen introduced in more recent entries to 'keep things fresh'. This remains a great jumping in point for anyone new to the series — it's undeniably lacking in some areas by modern standards, but it's still got charm to spare.

18. Advance Wars 2: Black Hole Rising (GBA)

Coming a couple of years after the original GBA entry in Intelligent Systems' Wars series, Advance Wars 2 might not have shaken things up a whole lot, but it offered a slew of nice additions, as well as a fun new campaign to work your way through. Certain COs were tweaked to be less overpowered (Max, anyone?) making this a more balanced game than its predecessor. It's arguably more of the same, but when the first course was so delicious, who wouldn't want a second helping?

17. Super Mario Advance 3: Yoshi's Island (GBA)

With its deep exploration-based gameplay and gorgeous art style, Yoshi's Island is still a joy to play all these years later — it's a platformer with considerable depth and challenge. Exploring is made fun thanks to Yoshi's egg-based abilities and collecting everything will require a gargantuan effort, but it's never less than immensely entertaining (provided you can put up with Baby Mario's whining). The smaller canvas of the handheld screen inevitably reduces the impact of the SNES original's incredible pastel-shaded world, but this remains one of Nintendo’s 2D platforming finest efforts. If you've never played it before (or have a hankering to go through it all again), the GBA version is a fine one.

16. Advance Wars (GBA)

The first Advance Wars is a turn-based tactical classic. It might not have the huge amount of COs and new units that its sequels would bring, but as a result it feels more balanced and approachable; it generally feels very fair, even if you lose. And in those rare instances that it risks infuriating you, the immensely charming graphics and top notch music keep a smile on your face. We love a bit of Fire Emblem, but we've had our fingers crossed for years that Advance Wars will return some day. Keep 'em crossed.

15. Golden Sun (GBA)

Golden Sun is a fine RPG, perfecting the classic formula whilst introducing unique mechanics of its own. An intriguing setting, likeable characters, and gripping story are the bread-and-butter of any good RPG, and Camelot doesn't disappoint on those fronts. The first few hours are a slog, but stick with it and you'll be rewarded with a rich, deep RPG that desperately deserves a modern-day instalment.

14. WarioWare, Inc.: Mega Microgame$! (GBA)

The microgames on offer in WarioWare, Inc.: Mega Microgame$! may be simple affairs, but the frantic, fast–paced and challenging experience that results from knitting them together in quick succession is incredibly addictive, and Wario's patented brand of mania is well suited to a handheld. It isn’t the longest game, and beyond the single-player mode there isn’t much else to do, but it’s stuffed full of magical, creative moments, not to mention an abundance of that classic Nintendo nostalgia and charm.

13. Fire Emblem (GBA)

Also known as Fire Emblem: The Blazing Blade, this was the very first entry to come to the West and is actually a prequel to the Japan-only Fire Emblem: The Binding Blade which starred series stalwart Roy. The Blazing Blade (or just plain old Fire Emblem if you prefer) follows Roy's old man Eliwood and served as a thoroughly decent introduction to the series for us Westerners, the majority of whom had been wondering about the series after seeing Roy and Marth as fighters in Super Smash Bros. Melee.

12. Mario & Luigi: Superstar Saga (GBA)

Mario & Luigi: Superstar Saga's lengthy main adventure felt pretty unique back in 2003. It was only the third RPG-style Mario adventure, but developer AlphaDream's Mario debut hit the jackpot right away with its addictive battle systems and dual brother gameplay. With plenty of side quests to seek out and minigames to replay for high-score chasers, Mario and Luigi's amusing animations and "voice acting" played into the game's great sense of humour and it hasn't lost its ability to raise an ear-to-ear smile.

11. Castlevania: Aria of Sorrow (GBA)

Following Circle of the Moon and Harmony of Dissonance – both of which fell short of hitting the same highs of Symphony of the Night – Koji Igarashi and his team returned to the Game Boy Advance with Aria of Sorrow, a game which many fans consider to be the second best 'Metroidvania' in the franchise. The action takes place in 2035, but the setting is still resolutely gothic, with little in the way of modern or futuristic elements. Aria of Sorrow's 'Soul System' offers an incredible amount of replayability, and the sheer number of items, weapons and pieces of gear to collect is staggering – even more so when you consider this is a portable release. While it never quite beats Symphony of the Night in terms of scale, it's a match in many other ways and is a must-play for all fans of the series, and Metroidvania genre. Aria of Sorrow is included on the Castlevania Advance Collection, which is good, because the Game Boy Advance original is prohibitively expensive these days.